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Issued by NWS San Juan, PR

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FOCA52 TJSJ 232143 AAA
PFMSJU

POINT FORECAST MATRICES...UPDATED
NATIONAL WEATHER SERVICE SAN JUAN PR
543 PM AST Sun Jul 23 2017

PRZ001-240815-
LUIS MUNOZ MARIN INTERNATIONAL AIRPORT-SAN JUAN
18.43N  66.00W ELEV. 9 FT
543 PM AST Sun Jul 23 2017

DATE           07/23/17      MON 07/24/17            TUE 07/25/17            WED
AST 3HRLY     17 20 23 02 05 08 11 14 17 20 23 02 05 08 11 14 17 20 23 02 05 08
UTC 3HRLY     21 00 03 06 09 12 15 18 21 00 03 06 09 12 15 18 21 00 03 06 09 12

MIN/MAX                      79          90          80          89          79
TEMP             83 81 79 80 86 89 90 88 83 82 80 81 85 88 89 87 82 81 79 80 84
DEWPT            76 76 77 76 76 75 74 74 75 76 76 76 76 75 75 76 76 77 77 77 77
RH               80 85 94 88 72 64 60 63 77 82 88 85 75 66 64 70 82 88 94 91 80
WIND DIR          E  E  E  E  E  E  E  E  E  E  E  E  E  E  E  E  E  E  E  E  E
WIND SPD         12 11 11 11 13 16 16 14 12 11 10  9 12 14 16 13  9 10  9  8 10
CLOUDS           SC SC SC SC SC SC SC SC SC SC B1 B1 B1 B1 SC SC SC B1 B1 B1 B1
POP 12HR                     30          10          40          40          60
QPF 12HR                   0.02        0.03        0.03        0.06        0.11
RAIN SHWRS        C  C  S  S  S  S  S  S  S  S  C  C  C  C  S  S  C  L  L  L  C
HEAT INDEX       91 87    86 96 99 99 97 90 89 86 87 94 98 99 98 89 88    87 94
MAX HEAT         98    89    96   101    99    90    94    99    99    89    94


DATE           07/26  THU 07/27/17  FRI 07/28/17  SAT 07/29/17  SUN 07/30/17
AST 6HRLY     14 20   02 08 14 20   02 08 14 20   02 08 14 20   02 08 14 20
UTC 6HRLY     18 00   06 12 18 00   06 12 18 00   06 12 18 00   06 12 18 00

MAX/MIN          88      79    89      79    89      79    89      79    86
TEMP          88 82   79 85 89 82   79 85 89 82   79 85 89 82   79 83 86 81
DEWPT         76 74   78 77 74 75   77 76 76 77   78 77 76 76   78 77 76 76
PWIND DIR         E      SE     E       E     E       E     E       E     E
WIND CHAR        GN      GN    GN      GN    GN      GN    GN      GN    GN
AVG CLOUDS    SC SC   SC SC B1 SC   SC SC SC SC   B1 B1 B1 SC   SC SC FW SC
POP 12HR         40      30    40      20    30      30    30      20    30
RAIN SHWRS     C  S    S  C  C  C    S  S  C  C    C  C  C  C    S  S  S  C
TSTMS                        S  S             S    S  S  S  S

$$

PRZ002-240815-
ROOSEVELT ROADS NAVAL AIRSTATION-CEIBA PR
18.25N  65.63W ELEV. 39 FT
543 PM AST Sun Jul 23 2017

DATE           07/23/17      MON 07/24/17            TUE 07/25/17            WED
AST 3HRLY     17 20 23 02 05 08 11 14 17 20 23 02 05 08 11 14 17 20 23 02 05 08
UTC 3HRLY     21 00 03 06 09 12 15 18 21 00 03 06 09 12 15 18 21 00 03 06 09 12

MIN/MAX                      79          89          80          88          78
TEMP             83 81 79 80 85 88 89 87 83 82 80 81 85 87 88 86 81 80 78 79 83
DEWPT            76 76 76 75 74 74 74 74 75 75 75 76 76 75 76 76 77 77 77 77 77
RH               80 85 91 85 70 63 61 65 77 79 85 85 75 68 68 72 88 91 97 94 82
WIND DIR          E  E  E  E  E  E  E  E  E  E  E  E  E  E  E  E  E  E  E  E  E
WIND SPD         12 12 13 12 13 13 13 12 12 13 12 11 12 12 11 12 11 10  9  9 10
CLOUDS           SC SC SC SC SC SC SC SC SC SC B1 B1 B1 B1 B1 B1 B1 B1 B1 B1 B1
POP 12HR                     30          20          50          50          60
QPF 12HR                   0.03        0.03        0.06        0.08        0.12
RAIN SHWRS        C  C  S  S  S  S  S  S  S  S  C  C  C  C  S  S  C  L  L  L  C
HEAT INDEX       91 87    85 93 97 98 95 90 89 85 87 94 96 99 96 88 87       92
MAX HEAT         96    89    93    98    98    90    94    99    99    88    92


DATE           07/26  THU 07/27/17  FRI 07/28/17  SAT 07/29/17  SUN 07/30/17
AST 6HRLY     14 20   02 08 14 20   02 08 14 20   02 08 14 20   02 08 14 20
UTC 6HRLY     18 00   06 12 18 00   06 12 18 00   06 12 18 00   06 12 18 00

MAX/MIN          86      80    87      80    87      80    87      80    87
TEMP          86 82   80 84 87 82   80 84 87 82   80 84 87 82   80 84 87 82
DEWPT         76 76   78 76 76 77   76 75 78 78   77 77 77 76   77 77 77 76
PWIND DIR         E      SE     E       E    SE       E     E       E     E
WIND CHAR        GN      GN    GN      GN    GN      GN    GN      GN    GN
AVG CLOUDS    B1 SC   SC SC B1 SC   SC SC SC SC   B1 B1 B1 SC   SC SC FW SC
POP 12HR         50      40    40      30    30      30    30      20    30
RAIN SHWRS     C  C    C  C  C  C    C  C  C  C    C  C  C  C    S  S  S  C
TSTMS                        S  S             S    S  S  S  S

$$

PRZ007-240815-
MERCEDITA AIRPORT-PONCE PR
18.02N  66.56W ELEV. 26 FT
543 PM AST Sun Jul 23 2017

DATE           07/23/17      MON 07/24/17            TUE 07/25/17            WED
AST 3HRLY     17 20 23 02 05 08 11 14 17 20 23 02 05 08 11 14 17 20 23 02 05 08
UTC 3HRLY     21 00 03 06 09 12 15 18 21 00 03 06 09 12 15 18 21 00 03 06 09 12

MIN/MAX                      76          93          76          93          75
TEMP             82 79 77 78 86 92 93 89 82 79 77 78 86 92 93 89 81 78 76 77 85
DEWPT            74 75 75 75 75 72 72 72 72 73 74 74 74 71 72 73 75 75 76 76 75
RH               77 88 94 91 70 52 51 57 72 82 90 88 68 51 51 59 82 91100 97 72
WIND DIR          E NE  E NE  E  E SE SE  E NE NE NE  E  E SE SE NE NE NE NE  E
WIND SPD          8  6  6  8 11 14 14 13  8  6  5  5  9 12 14 10  4  5  5  6  9
CLOUDS           FW FW FW FW FW FW SC SC FW FW SC SC SC SC B1 B1 SC SC SC SC SC
POP 12HR                      5          10          20          20           5
QPF 12HR                      0        0.01        0.01        0.04           0
RAIN SHWRS                          S  S        S  S  S  S  S  S              S
HEAT INDEX       88          95100101 96 87          94 99101 97 87          94
MAX HEAT         98    86    95   101   100    85    94   101   100    85    94


DATE           07/26  THU 07/27/17  FRI 07/28/17  SAT 07/29/17  SUN 07/30/17
AST 6HRLY     14 20   02 08 14 20   02 08 14 20   02 08 14 20   02 08 14 20
UTC 6HRLY     18 00   06 12 18 00   06 12 18 00   06 12 18 00   06 12 18 00

MAX/MIN          91      76    92      76    92      76    92      76    93
TEMP          91 81   77 86 92 81   77 86 92 81   77 86 92 81   77 86 93 82
DEWPT         76 73   77 77 74 74   77 76 74 77   77 77 74 74   77 77 74 74
PWIND DIR        SE       E    SE       E    SE       E     E       E     E
WIND CHAR        GN      LT    GN      LT    GN      LT    GN      LT    GN
AVG CLOUDS    SC SC   FW FW FW SC   FW FW FW SC   FW FW FW SC   FW FW FW FW
POP 12HR         10      10    20      10    20      10    20      10    10
RAIN SHWRS     S  S    S  S  S  S    S  S  S  S    S  S  S  S    S  S  S  S

$$

PRZ008-240815-
RAFAEL HERNANDEZ AIRPORT-AGUADILLA PR
18.50N  67.13W ELEV. 237 FT
543 PM AST Sun Jul 23 2017

DATE           07/23/17      MON 07/24/17            TUE 07/25/17            WED
AST 3HRLY     17 20 23 02 05 08 11 14 17 20 23 02 05 08 11 14 17 20 23 02 05 08
UTC 3HRLY     21 00 03 06 09 12 15 18 21 00 03 06 09 12 15 18 21 00 03 06 09 12

MIN/MAX                      77          88          79          88          79
TEMP             81 79 77 78 84 87 88 86 82 81 79 80 84 87 88 86 82 81 79 80 83
DEWPT            77 77 76 76 76 74 76 76 76 76 76 76 76 75 76 76 75 75 77 77 77
RH               88 94 97 94 77 65 68 72 82 85 91 88 77 68 68 72 79 82 94 91 82
WIND DIR          E  E  E  E  E  E NE  E  E  E  E  E  E  E  E  E  E  E  E  E  E
WIND SPD         16 14 11 12 13 14 18 19 19 16 12 11 16 17 17 13 12 13 10  9 10
CLOUDS           FW FW SC SC FW FW SC SC FW FW SC SC SC SC B1 B1 SC SC SC SC SC
POP 12HR                      5          10          20          30          20
QPF 12HR                      0        0.02           0        0.07           0
RAIN SHWRS        S  S  S  S        S  S        S  S  S  S  C  C  S  S  S  S  S
HEAT INDEX       88          93 95 99 96 89 87    86 93 96 99 96 89 87    87 92
MAX HEAT         97    87    93    99    99    89    93    99    99    89    92


DATE           07/26  THU 07/27/17  FRI 07/28/17  SAT 07/29/17  SUN 07/30/17
AST 6HRLY     14 20   02 08 14 20   02 08 14 20   02 08 14 20   02 08 14 20
UTC 6HRLY     18 00   06 12 18 00   06 12 18 00   06 12 18 00   06 12 18 00

MAX/MIN          85      80    86      80    86      80    86      80    86
TEMP          85 82   80 84 86 82   80 84 86 82   80 84 86 82   80 84 86 82
DEWPT         77 76   75 77 77 79   76 76 77 79   77 76 78 78   77 76 78 78
PWIND DIR        NE       E     E       E     E       E     E       E     E
WIND CHAR        GN      LT    LT      GN    LT      GN    GN      GN    GN
AVG CLOUDS    SC SC   FW FW SC SC   FW FW SC SC   FW FW SC SC   FW FW FW FW
POP 12HR         20      10    50      10    50      10    40      10    10
RAIN SHWRS     S  S    S  S  C  C    S  S  C  C    S  S  C  C    S  S  S  S
TSTMS                        S  S          S  S          S  S

$$

PRZ010-240815-
EUGENIO MARIA DE HOSTO AIRPORT-MAYAGUEZ PR
18.27N  67.15W ELEV. 28 FT
543 PM AST Sun Jul 23 2017

DATE           07/23/17      MON 07/24/17            TUE 07/25/17            WED
AST 3HRLY     17 20 23 02 05 08 11 14 17 20 23 02 05 08 11 14 17 20 23 02 05 08
UTC 3HRLY     21 00 03 06 09 12 15 18 21 00 03 06 09 12 15 18 21 00 03 06 09 12

MIN/MAX                      74          88          76          89          74
TEMP             79 77 75 76 82 87 88 85 80 78 76 78 84 88 89 85 79 77 75 76 82
DEWPT            77 76 75 75 75 74 75 77 76 75 75 75 75 75 76 77 75 73 75 76 75
RH               94 97100 97 79 65 66 77 88 91 97 91 74 66 66 77 88 87100100 79
WIND DIR          E  E  E  E  E  E NW  S  E  E  E NE  E  E  W  N  E  E  E  E  E
WIND SPD          4  5  6  6  8  5  4  3  5  9  6  6 10  9  8  8  8  6  6  5  6
CLOUDS           SC SC FW FW FW FW B1 B1 FW FW SC SC SC SC B2 B2 SC SC SC SC SC
POP 12HR                     10          50          20          70          20
QPF 12HR                   0.01        0.15           0        0.51           0
RAIN SHWRS        S  S              C  C        S  S  S  S  L  L  S  S  S  S  S
TSTMS                                                       C  C
HEAT INDEX                   89 95 98 96 86          92 98100 96             89
MAX HEAT         98          89    98    99          92   100    99          89


DATE           07/26  THU 07/27/17  FRI 07/28/17  SAT 07/29/17  SUN 07/30/17
AST 6HRLY     14 20   02 08 14 20   02 08 14 20   02 08 14 20   02 08 14 20
UTC 6HRLY     18 00   06 12 18 00   06 12 18 00   06 12 18 00   06 12 18 00

MAX/MIN          88      76    89      76    89      76    89      76    89
TEMP          88 80   76 84 89 80   77 84 89 80   77 84 89 80   77 84 89 80
DEWPT         77 76   74 76 75 76   75 76 74 77   76 76 76 78   76 76 76 78
PWIND DIR         E      SE    SE       E    SE      SE     E       E     E
WIND CHAR        LT      LT    LT      LT    LT      LT    LT      LT    LT
AVG CLOUDS    SC SC   FW FW SC SC   FW FW SC SC   FW FW SC SC   FW FW SC SC
POP 12HR         50      10    50      10    50      10    50      10    40
RAIN SHWRS     C  C    S  S  C  C    S  S  C  C    S  S  C  C    S  S  C  C
TSTMS          S  S          S  S          S  S          S  S          S  S

$$

VIZ001-240815-
CYRIL E. KING AIRPORT-ST THOMAS USVI
18.33N  64.97W ELEV. 23 FT
543 PM AST Sun Jul 23 2017

DATE           07/23/17      MON 07/24/17            TUE 07/25/17            WED
AST 3HRLY     17 20 23 02 05 08 11 14 17 20 23 02 05 08 11 14 17 20 23 02 05 08
UTC 3HRLY     21 00 03 06 09 12 15 18 21 00 03 06 09 12 15 18 21 00 03 06 09 12

MIN/MAX                      79          90          79          89          80
TEMP             83 81 79 80 86 89 90 87 83 81 79 80 85 88 89 87 83 82 80 81 83
DEWPT            77 77 77 76 76 76 76 76 76 77 77 77 77 77 77 77 77 77 77 77 77
RH               82 88 94 88 72 66 64 70 80 88 94 91 77 70 68 72 82 85 91 88 82
WIND DIR          E  E  E  E  E  E  E  E  E  E  E  E  E  E  E  E  E  E  E  E  E
WIND SPD         16 18 18 17 18 17 16 16 17 17 17 16 17 16 16 14 14 18 16 14 16
CLOUDS           FW FW SC SC SC SC SC SC SC SC B1 B1 B1 B1 SC SC B1 B1 B1 B1 B1
POP 12HR                     10          20          40          40          60
QPF 12HR                   0.02        0.03        0.03        0.05        0.09
RAIN SHWRS        S  S  S  S  S  S  S  S  S  S  C  C  C  C  S  S  C  L  L  L  C
HEAT INDEX       92 88    86 96100102 98 91 88    87 96100102 99 92 90 87 88 92
MAX HEAT         99    90    96   102   102    89    96   102   102    92    92


DATE           07/26  THU 07/27/17  FRI 07/28/17  SAT 07/29/17  SUN 07/30/17
AST 6HRLY     14 20   02 08 14 20   02 08 14 20   02 08 14 20   02 08 14 20
UTC 6HRLY     18 00   06 12 18 00   06 12 18 00   06 12 18 00   06 12 18 00

MAX/MIN          85      79    86      79    86      79    86      79    87
TEMP          85 81   79 83 86 81   79 83 86 81   79 83 86 81   79 84 87 82
DEWPT         77 78   78 77 77 77   77 77 78 78   78 77 77 77   78 77 77 77
PWIND DIR         E       E     E       E    SE       E     E       E     E
WIND CHAR        BZ      BZ    BZ      BZ    BZ      BZ    BZ      BZ    BZ
AVG CLOUDS    B1 SC   SC SC B1 SC   SC SC SC SC   B1 B1 B1 SC   SC SC FW SC
POP 12HR         50      40    40      30    30      30    30      20    30
RAIN SHWRS     C  C    C  C  C  C    C  C  C  C    C  C  C  C    S  S  S  C
TSTMS                        S  S             S    S  S  S  S

$$

VIZ002-240815-
HENRY E. ROHLSEN AIRPORT-ST CROIX USVI
17.70N  64.80W ELEV. 74 FT
543 PM AST Sun Jul 23 2017

DATE           07/23/17      MON 07/24/17            TUE 07/25/17            WED
AST 3HRLY     17 20 23 02 05 08 11 14 17 20 23 02 05 08 11 14 17 20 23 02 05 08
UTC 3HRLY     21 00 03 06 09 12 15 18 21 00 03 06 09 12 15 18 21 00 03 06 09 12

MIN/MAX                      79          90          78          89          78
TEMP             83 81 79 80 86 89 90 87 82 80 78 79 85 88 89 86 82 80 78 79 83
DEWPT            77 77 77 76 76 76 76 76 76 77 78 77 77 77 77 77 77 77 77 77 76
RH               82 88 94 88 72 66 64 70 82 91100 94 77 70 68 75 85 91 97 94 80
WIND DIR          E  E  E  E  E  E  E  E  E  E  E  E  E  E  E  E  E  E  E  E  E
WIND SPD         16 18 18 17 18 18 16 16 16 18 16 14 14 16 16 14 14 14 14 13 16
CLOUDS           SC SC SC SC SC SC SC SC SC SC B1 B1 B1 B1 B1 B1 SC SC SC SC B1
POP 12HR                     10          20          40          40          20
QPF 12HR                   0.02        0.03        0.03        0.05           0
RAIN SHWRS        S  S  S  S  S  S  S  S  S  S  C  C  C  C  S  S  S  S  S  S  C
HEAT INDEX       92 88    86 96100102 98 89 87       96100102 97 90 87       91
MAX HEAT         99    90    96   102   102    88    96   102   102    88    91


DATE           07/26  THU 07/27/17  FRI 07/28/17  SAT 07/29/17  SUN 07/30/17
AST 6HRLY     14 20   02 08 14 20   02 08 14 20   02 08 14 20   02 08 14 20
UTC 6HRLY     18 00   06 12 18 00   06 12 18 00   06 12 18 00   06 12 18 00

MAX/MIN          86      78    87      78    87      78    87      78    87
TEMP          86 81   78 83 87 81   78 83 87 81   78 83 87 81   78 83 87 81
DEWPT         76 78   77 77 77 78   77 77 78 78   78 78 77 77   78 78 77 77
PWIND DIR         E       E     E       E     E       E     E       E     E
WIND CHAR        BZ      BZ    BZ      BZ    BZ      BZ    BZ      BZ    BZ
AVG CLOUDS    SC SC   SC SC B1 SC   SC SC SC SC   B1 B1 B1 SC   SC SC FW SC
POP 12HR         50      40    40      30    30      30    30      20    30
RAIN SHWRS     C  C    C  C  C  C    C  C  C  C    C  C  C  C    S  S  S  C
TSTMS                        S  S             S    S  S  S  S

$$


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